1 files changed, 3 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index 4b93a2ba5..88dfcf0f3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -816,7 +816,7 @@ const char *sqlite3ErrStr(int rc){
     /* SQLITE_INTERRUPT   */ "interrupted",
     /* SQLITE_IOERR       */ "disk I/O error",
     /* SQLITE_CORRUPT     */ "database disk image is malformed",
-    /* SQLITE_NOTFOUND    */ 0,
+    /* SQLITE_NOTFOUND    */ "unknown operation",
     /* SQLITE_FULL        */ "database or disk is full",
     /* SQLITE_CANTOPEN    */ "unable to open database file",
     /* SQLITE_PROTOCOL    */ "locking protocol",
@@ -2364,6 +2364,8 @@ int sqlite3_file_control(sqlite3 *db, const char *zDbName, int op, void *pArg){
         rc = SQLITE_OK;
       }else if( fd->pMethods ){
         rc = sqlite3OsFileControl(fd, op, pArg);
+      }else{
+        rc = SQLITE_NOTFOUND;
       }
       sqlite3BtreeLeave(pBtree);
     }